Anthropic Releases

Anthropic news, Claude releases and SDK updates. New features, breaking changes, security advisories and deprecations - each summarised in plain English and updated continuously.

Tracking 218 Anthropic releases · Updated

  • Claude Platform Release Notes aigapreviewdeprecation ·

    Claude Platform Updates: Opus 4.8, Mid-conversation System Messages, and Tooling

    Anthropic has launched Claude Opus 4.8, their most capable generally available model, featuring a 1M token context window and enhanced reasoning capabilities. The release also introduces mid-conversation system messages and publicly documents the `stop_details` field for refusal responses, benefiting developers integrating Claude into applications. Opus 4.8 is now available via Claude API, Amazon Bedrock, and Vertex AI.

    feature patch
  • Anthropic News ai ·

    Anthropic Releases Claude Opus 4.8 with Enhanced Coding and Agentic Capabilities

    Anthropic has launched Claude Opus 4.8, an upgraded version of its Opus model, featuring significant performance improvements in coding, agentic tasks, and long-running work. This release includes new features like effort control for users and dynamic workflows in Claude Code for large-scale problem-solving. The model is available today and demonstrates enhanced judgment, reliability, and efficiency across various benchmarks, making it a more effective collaborator for professional and engineering workloads.

    feature patch
  • Claude Release Notes aisecuritygovernanceengineer ·

    Anthropic adds custom roles for connector access control on Enterprise plans

    Anthropic's Enterprise plans now allow administrators to control connector access through custom roles. This feature extends the existing custom roles framework, enabling granular permissions for specific connectors and tools. This impacts administrators managing access for teams on Enterprise plans.

    feature
  • Claude Release Notes aigaengineer ·

    Claude Opus 4.8 released with improved coding and reasoning

    Anthropic has launched Claude Opus 4.8, an upgraded version of its powerful language model. This new iteration demonstrates enhanced capabilities in coding, agentic tasks, reasoning, and practical knowledge work compared to its predecessor, Opus 4.7. The update is available now and offers significant improvements for users engaged in complex problem-solving and development tasks.

    feature patch
  • Claude Platform Release Notes aipreviewmedia ·

    Claude Platform Updates: New Models, Tools, and AWS Integration

    Anthropic has released significant updates to its Claude Platform, including new models like Claude Fable 5 and Claude Opus 4.8, which offer larger context windows and improved capabilities. Enhancements to tools like code execution and web search, alongside new features like mid-conversation system messages and improved refusal handling, provide developers with more control and efficiency. The platform also expands its availability with Claude Platform on AWS and self-hosted sandbox options, broadening access and integration for enterprise users.

    feature deprecation announcement patch
  • Anthropic News ·

    Anthropic Co-founder Discusses AI's Societal Impact at Vatican Event

    Anthropic co-founder Chris Olah delivered remarks at the Vatican on Pope Leo XIV's encyclical regarding AI's societal impact. Olah emphasized the need for external scrutiny of AI labs due to inherent incentives and highlighted three key areas for discernment: global equity in AI benefits, fostering human flourishing alongside AI, and the mysterious nature of AI models. The event signals a growing collaboration between AI developers and broader societal institutions to guide AI's development.

    announcement
  • Anthropic Python SDK Releases sdkaipreviewmedia ·

    Anthropic SDK Python v0.104.0 Adds Beta Token Count Support

    Anthropic's Python SDK has been updated to version 0.104.0, introducing beta support for 'thinking-token-count'. This feature allows developers to estimate token usage within the thinking block of streaming responses. The update is relevant for developers using the Anthropic API via the Python SDK and is available now.

    feature
  • Claude Release Notes aisecuritycomplianceengineer ·

    Claude adds compliance API integrations

    Anthropic has introduced Claude Compliance API integrations with security and compliance tools. This allows IT and security teams to govern Claude usage on their platform similarly to other applications. Documentation is available for getting started.

    feature announcement
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK for Python v0.103.0 Adds Self-Hosted Sandbox Support

    The Anthropic SDK for Python version 0.103.0 introduces support for self-hosted sandboxes within the Cloud Model Availability (CMA) feature. This enhancement allows developers to utilize custom sandbox environments for their model deployments. The update is available now and includes specific helper functions for integrating these self-hosted sandboxes.

    feature
  • Anthropic Python SDK Releases sdkaipreviewengineer ·

    Anthropic SDK Python v0.102.0 adds managed agents and cache diagnostics

    Anthropic's Python SDK has been updated to version 0.102.0, introducing new types for BetaManagedAgentsSearchResultBlock and support for cache diagnostics. These features enhance the SDK's capabilities for developers working with managed agents and allow for better monitoring of caching mechanisms. The update is available now for all users of the SDK.

    feature patch
  • Anthropic Python SDK Releases sdkai ·

    Anthropic SDK for Python v0.101.0 adds AWS client

    The Anthropic SDK for Python has released version 0.101.0, introducing a new AWS client for accessing Claude models on AWS. This update also includes a fix for a file type error message and several chore updates related to examples. The new AWS client is available immediately for users leveraging the Anthropic platform on Amazon Web Services.

    feature patch
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK Python v0.100.0 adds Managed Agents support

    Anthropic's Python SDK has been updated to version 0.100.0, introducing significant new features for Managed Agents. This release enables multi-agent capabilities, outcomes, webhooks, and vault validation, enhancing the SDK's flexibility for complex AI workflows. It also includes an adjustment to webhook configuration.

    feature patch
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK Python 0.99.0 adds workspace targeting for OIDC federation

    Anthropic's Python SDK has been updated to version 0.99.0, introducing the ability to target a specific workspace when exchanging OIDC federation tokens. This enhancement is beneficial for developers managing multiple workspaces or requiring granular control over token exchange processes. The update focuses on improving client capabilities for enterprise use cases.

    feature
  • Anthropic Python SDK Releases sdkaimedia ·

    Anthropic SDK Python v0.98.0: API, Client, and Streaming Improvements

    This release of the Anthropic SDK for Python (v0.98.0) introduces enhancements to Managed Agents APIs and adds support for Workload Identity Federation, interactive OAuth, and auth profiles in the client. It also fixes an issue with streaming stop details and corrects field name formatting for multipart file arrays. These changes benefit developers integrating Anthropic's models into their Python applications by improving agent management and authentication flexibility.

    feature patch
  • Anthropic Python SDK Releases sdkaipreviewengineer ·

    Anthropic SDK Python v0.97.0: CMA Memory Beta, API Fixes, Performance

    Anthropic's Python SDK has been updated to version 0.97.0, introducing the public beta of CMA Memory. This release also includes fixes for API specification errors and restores missing features, alongside performance optimizations for multipart requests. These changes primarily affect developers using the SDK for integration with Anthropic's AI models, with the CMA Memory feature available in public beta.

    feature patch
  • Claude Release Notes ai ·

    Claude Design: Visual Output Collaboration with Claude

    Anthropic has launched Claude Design, a new Labs product enabling collaboration with Claude for visual outputs. This tool allows users to create designs, prototypes, slides, and one-pagers. It is available now and integrates with Claude Opus 4.7.

    feature announcement
  • Anthropic Python SDK Releases sdkaiengineer ·

    Anthropic SDK Python v0.96.0 adds Claude 4 Opus and user profiles

    Anthropic has released version 0.96.0 of its Python SDK, introducing support for the Claude 4 Opus model. This update also includes token budget management and user profile capabilities, enhancing the fine-grained control available to developers integrating Anthropic's AI models. The release is available now for all users of the SDK.

    feature patch
  • Claude Release Notes aigaengineer ·

    Claude Opus 4.7 Generally Available

    Anthropic's Claude Opus 4.7 model is now generally available, offering enhanced capabilities in software engineering and complex coding tasks. It also features improved vision for higher resolution image analysis. This update is relevant for developers and users working with advanced AI coding and visual processing.

    feature announcement
  • Anthropic Python SDK Releases sdkaideprecationengineer ·

    Anthropic SDK Python v0.95.0 deprecates Sonnet and Opus 4

    Anthropic's Python SDK has released version 0.95.0, marking Sonnet and Opus 4 models as deprecated. This change affects developers using these specific models and signals a shift towards newer model versions within the Anthropic ecosystem. The update also includes an authentication header adjustment for the Bedrock client. This release is now generally available.

    feature
  • Anthropic Python SDK Releases sdkai ·

    Anthropic SDK Python v0.94.0 adds Vertex EU region support

    Anthropic's Python SDK has released version 0.94.0, introducing support for the Vertex EU region. This update includes a bug fix for ensuring file data is sent as a single parameter and documentation enhancements. The release benefits users integrating with Anthropic's models via the Vertex AI platform in the EU, with improved examples now available.

    feature patch

About Anthropic release tracking on ReleaseBytes

Anthropic ships Claude model releases, API updates and SDK versions on a rapid cadence. ReleaseBytes tracks the official Anthropic announcement channels and SDK changelogs, summarising each release and flagging model deprecations and breaking changes so teams building on Claude stay ahead of them.

Frequently asked questions

How often are Anthropic release notes updated on ReleaseBytes?

Continuously. ReleaseBytes monitors the official Anthropic release channels around the clock and publishes a plain-English summary of each announcement shortly after it lands.

What kinds of Anthropic changes does ReleaseBytes track?

New features, enhancements, bug fixes, security advisories, breaking changes, deprecations and end-of-life announcements. Every item is tagged by type so you can filter to just the changes that need action.

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Where does the Anthropic release data come from?

From the official sources: Anthropic news, Claude releases and SDK updates. Every item links back to the original vendor announcement.